皮皮学，免费搜题
登录
搜题
【简答题】
电气控制设计任务书中，除简要说明所设计任务的用途、___________、动作要求、传动参数、工作条件外，还要说明主要经济指标及要求。
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】I watch her back her new truck out of the driveway. The __1__ is too large, too expensive. She'd refused to consider a practical car with good gas __2__ and easy to park. It's because of me, I think. ...
【单选题】关于建立表间的关系,下列说法错误的是( )
A.
主键所在的表称为主表，外键所在的表称为子表或相关表
B.
两个表的间的关系就是通过主键和外键实现的
C.
在建立两个表之间的关系时，相关联的两个字段不一定具有相同的数据类型
D.
在创建表之间的关系之前，应关闭所有需要定义关系的表
【简答题】简述等温面和等温线的性质
【单选题】To present a false dichotomy is to assume that
A.
there are only two possibilities, when in fact there are more.
B.
there are only two possibilities, when neither of them are in fact possibilities.
C.
either of two possibilities implies a conclusion.
D.
a particular conclusion is made likely by either of two falsehoods.
E.
none of the above
【多选题】driveway | gas | park | expensive | show I watch her back her new truck out of the__1__. The vehicle is too large, too__2__. She'd refused to consider a practical car with good __3__efficiency and eas...
A.
driveway
B.
expensive
C.
gas
D.
park
E.
show
相关题目：
参考解析：
知识点：
题目纠错 0
发布
